json сохранение

src/ui/frame.zig

@@ -1,5 +1,6 @@
 const dvui = @import("dvui");
 const WindowContext = @import("../WindowContext.zig");
+const menu_bar = @import("menu_bar.zig");
 const tab_bar = @import("tab_bar.zig");
 const left_panel = @import("left_panel.zig");
 const right_panel = @import("right_panel.zig");
@@ -16,6 +17,7 @@ pub fn guiFrame(ctx: *WindowContext) bool {
         .{ .expand = .both, .background = true, .style = .window },
     );
     {
+        menu_bar.menuBar(ctx);
         tab_bar.tabBar(ctx);
 
         var content_row = dvui.box(@src(), .{ .dir = .horizontal }, .{ .expand = .both });

src/ui/menu_bar.zig

@@ -0,0 +1,89 @@
+const std = @import("std");
+const dvui = @import("dvui");
+const WindowContext = @import("../WindowContext.zig");
+const document_json = @import("../persistence/document_json.zig");
+
+pub fn menuBar(ctx: *WindowContext) void {
+    var m = dvui.menu(@src(), .horizontal, .{ .background = true, .expand = .horizontal });
+    defer m.deinit();
+
+    if (dvui.menuItemLabel(@src(), "File", .{ .submenu = true }, .{ .expand = .none })) |r| {
+        var fm = dvui.floatingMenu(@src(), .{ .from = r }, .{});
+        defer fm.deinit();
+
+        if (dvui.menuItemLabel(@src(), "Open", .{}, .{ .expand = .horizontal }) != null) {
+            m.close();
+            openDocumentDialog(ctx);
+        }
+
+        if (dvui.menuItemLabel(@src(), "Save As", .{}, .{ .expand = .horizontal }) != null) {
+            m.close();
+            saveAsDialog(ctx);
+        }
+    }
+}
+
+fn openDocumentDialog(ctx: *WindowContext) void {
+    const path_z = dvui.dialogNativeFileOpen(ctx.allocator, .{
+        .title = "Open",
+        .filters = &.{ "*.json" },
+        .filter_description = "JSON files",
+    }) catch |err| {
+        std.debug.print("Open dialog error: {}\n", .{err});
+        return;
+    } orelse return;
+    defer ctx.allocator.free(path_z);
+
+    const path = path_z[0..path_z.len];
+    const doc = document_json.loadFromFile(ctx.allocator, path) catch |err| {
+        std.debug.print("Open file error: {}\n", .{err});
+        return;
+    };
+    ctx.addDocument(doc) catch |err| {
+        std.debug.print("Add document error: {}\n", .{err});
+        return;
+    };
+}
+
+fn saveAsDialog(ctx: *WindowContext) void {
+    const open_doc = ctx.activeDocument() orelse return;
+    const path_z = dvui.dialogNativeFileSave(ctx.allocator, .{
+        .title = "Save As",
+        .filters = &.{ "*.json" },
+        .filter_description = "JSON files",
+    }) catch |err| {
+        std.debug.print("Save dialog error: {}\n", .{err});
+        return;
+    } orelse return;
+    defer ctx.allocator.free(path_z);
+
+    const path_raw = path_z[0..path_z.len];
+    const resolved = ensureJsonPath(ctx.allocator, path_raw) catch |err| {
+        std.debug.print("Save path error: {}\n", .{err});
+        return;
+    };
+    defer if (resolved.owned) ctx.allocator.free(resolved.path);
+
+    document_json.saveToFile(&open_doc.document, resolved.path) catch |err| {
+        std.debug.print("Save file error: {}\n", .{err});
+        return;
+    };
+}
+
+const ResolvedPath = struct {
+    path: []const u8,
+    owned: bool,
+};
+
+fn ensureJsonPath(allocator: std.mem.Allocator, path: []const u8) !ResolvedPath {
+    if (endsWithIgnoreCase(path, ".json")) {
+        return .{ .path = path, .owned = false };
+    }
+    const joined = try std.mem.concat(allocator, u8, &.{ path, ".json" });
+    return .{ .path = joined, .owned = true };
+}
+
+fn endsWithIgnoreCase(haystack: []const u8, needle: []const u8) bool {
+    if (haystack.len < needle.len) return false;
+    return std.ascii.eqlIgnoreCase(haystack[haystack.len - needle.len ..], needle);
+}